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Is there a lt;meta gt; tag to turn off caching in all browsers? The list is just examples of different techniques, it's not for direct insertion If copied, the second would overwrite the first and the fourth would overwrite the third because of the http-equiv declarations AND fail with the W3C validator At most, one could have one of each http-equiv declarations; pragma, cache-control and expires
what is difference between HttpCacheability. NoCache and . . . Similar to the NoCache option Clients receive a Cache-Control: no-cache directive but the document is cached on the origin server Equivalent to ServerAndNoCache ServerAndNoCache Applies the settings of both Server and NoCache to indicate that the content is cached at the server but all others are explicitly denied the ability to cache the
Difference between Pragma and Cache-Control headers? Pragma is the HTTP 1 0 implementation and cache-control is the HTTP 1 1 implementation of the same concept They both are meant to prevent the client from caching the response Older clients may not support HTTP 1 1 which is why that header is still in use
Why both no-cache and no-store should be used in HTTP response? no-store should not be necessary in normal situations, and in some cases can harm speed and usability It was intended as a privacy measure: it tells browsers and caches that the response contains sensitive information that should never be written to a disk-based cache (or other non-volatile storage) How it works: Normally, even if a response is marked as no-cache by the server, a user agent
Disabling browser caching for all browsers from ASP. NET This is what we use in ASP NET: Stop Caching in IE Response Cache SetCacheability(System Web HttpCacheability NoCache); Stop Caching in Firefox Response Cache SetNoStore(); It stops caching in Firefox and IE, but we haven't tried other browsers The following response headers are added by these statements: Cache-Control: no-cache, no-store Pragma: no-cache
How to disable webpage caching in ExpressJS + NodeJS? By default, my browser caches webpages of my ExpressJS app This is causing a problem to my login system (users not logged in can open old cached pages of logged in users) How do I disable this